Princess First Aid In Mermaid Kingdom is an online HTML5 game presented by yiv.com, it's playable in browsers such as safari and chrome. You can play the game on smartphone and tablet (iPhone, iPad, Samsung, Android devices and Windows Phone). Summer is here. Today is a good day for sea travel. Disney Princess Elsa and Belle decided to go out to sea to enjoy their vacation in the good weather, but the plan did not change fast, and a storm suddenly broke out on the sea. Unfortunately, Princess Elsa and Princess Belle both fell to the bottom of the sea, and they were in a very dangerous situation. As a professional doctor in the underwater kingdom, can you help the two princesses out of danger? Treat the wounds of the princesses with herbs from the bottom of the sea and replace them with new clothes! 95.68% of 1671 players like the mobile game.